Question 21 When cost externalities exist, an optimal equilibrium can be attained if the government restricts production. levies a tax for the difference between private costs and social costs. prohibits production. All three of these Both restricts production and levies a tax for the difference between private costs and social costs 2 points

Question 21
When cost externalities exist, an optimal equilibrium can be attained if the government restricts production.
levies a tax for the difference between private costs and social costs.
prohibits production.
All three of these
Both restricts production and levies a tax for the difference between private costs and social costs
2 points

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